I could beggar you could beggar she could beggar we could beggar you could beggar they could beggar
V-ing form
I could be beggaring you could be beggaring she could be beggaring we could be beggaring you could be beggaring they could be beggaring
Perfect
I could have beggared you could have beggared she could have beggared we could have beggared you could have beggared they could have beggared
V-ing perfect
I could have been beggaring you could have been beggaring she could have been beggaring we could have been beggaring you could have been beggaring they could have been beggaring
Negation
Simple form
I couldn't beggar you couldn't beggar she couldn't beggar we couldn't beggar you couldn't beggar they couldn't beggar
V-ing form
I couldn't be beggaring you couldn't be beggaring she couldn't be beggaring we couldn't be beggaring you couldn't be beggaring they couldn't be beggaring
Perfect
I couldn't have beggared you couldn't have beggared she couldn't have beggared we couldn't have beggared you couldn't have beggared they couldn't have beggared
V-ing perfect
I couldn't have been beggaring you couldn't have been beggaring she couldn't have been beggaring we couldn't have been beggaring you couldn't have been beggaring they couldn't have been beggaring
Interrogative form
Simple form
could I beggar? could you beggar? could she beggar? could we beggar? could you beggar? could they beggar?
V-ing form
could I be beggaring? could you be beggaring? could she be beggaring? could we be beggaring? could you be beggaring? could they be beggaring?
Perfect
could I have beggared? could you have beggared? could she have beggared? could we have beggared? could you have beggared? could they have beggared?
V-ing perfect
could I have been beggaring? could you have been beggaring? could she have been beggaring? could we have been beggaring? could you have been beggaring? could they have been beggaring?
Interro-negative form
Simple form
couldn't I beggar? couldn't you beggar? couldn't she beggar? couldn't we beggar? couldn't you beggar? couldn't they beggar?
V-ing form
couldn't I be beggaring? couldn't you be beggaring? couldn't she be beggaring? couldn't we be beggaring? couldn't you be beggaring? couldn't they be beggaring?
Perfect
couldn't I have beggared? couldn't you have beggared? couldn't she have beggared? couldn't we have beggared? couldn't you have beggared? couldn't they have beggared?
V-ing perfect
couldn't I have been beggaring? couldn't you have been beggaring? couldn't she have been beggaring? couldn't we have been beggaring? couldn't you have been beggaring? couldn't they have been beggaring?